<template>
  <div id="root">
    <div class="todo-container">
      <div class="todo-wrap">
        <MyHeader @getObj="getObj"/>
        <MyList :list="todos"/>
        <MyFooter @deleteAllObj="deleteAllObj" @AllDoneChecked="AllDoneChecked" :list="todos" v-show="todos.length"/>
      </div>
    </div>
  </div>
</template>
<script>
import MyHeader from "@/components/MyHeader";
import MyFooter from "@/components/MyFooter";
import MyList from "@/components/MyList";

export default {
  name: 'App',
  components: {
    MyFooter,MyHeader,MyList
  },
  data(){
    return{
      todos:[
        {id:'001',title:'吃饭',done:true},
        {id:'002',title:'喝酒',done:true},
        {id:'003',title:'开车',done:false}
      ]
    }
  },
  mounted() {
    this.$bus.$on("deleteObj",this.deleteObj)
    this.$bus.$on("changeDone",this.changeDone)

  },
  methods:{
    //接受子组件MyHeader传来的Obj
    getObj(val){
      this.todos.unshift(val)
    },
    deleteObj(val) {
      this.todos.forEach((a,b)=>{
        // if(val.id==a.id){
        //   this.todos.splice(b,1)
        // }
        val.id==a.id?this.todos.splice(b,1):null;
      })
    },
    deleteAllObj(){
      this.todos=this.todos.filter((a)=>{
         return !a.done
       })
    },
    changeDone(val) {
       this.todos.forEach((a,b)=>{
         // if(val.id==a.id){
         //   this.todos.splice(b,1,val)
         // }
         val.id==a.id?this.todos.splice(b,1,val):null;
       })
    },
    AllDoneChecked(val){
        this.todos.forEach((a)=>{a.done=val;});
    },
  }
}
</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}
.btn-danger2 {
  color: #fff;
  background-color: #2d75d6;
  border: 1px solid #241eda;
}
.btn-danger2:hover {
  color: #fff;
  background-color: #2f4373;
}
.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

</style>
